TRA2970 Charger Specifications:
AC Input: 100–240 Volts
Charge Current Range: 1.0-4.0A (40W Max.)
Discharge Current Range: 500mAh
Current Drain For Balance Ports: 500mAh
NiMH Battery Cell Count: 5–8 Cells
LiPo Cell Count: 2–3 Cells
Net Weight: 365g
Dimensions: 146 x 123 x 53mm

TRA2849X Battery Specifications:
Type: LiPo
Total Capacity: 4000
Voltage: 11.1
Continuous Discharge: 25C (100A)
Max Burst Rate: 50C (200A)
Watt Hours: 44.40
Charge Rate: 2C (8A)
Max Charge Rate: 2C (11.6A)
Dimensions: 135x26x43mm
Weight: 11.1oz (316g)

Includes: 

• (1) TRA2970 Battery Charger
• (1) TRA2849X: 4000mAh 3S 25C LiPo Battery w/iD